![]() NOTE: Figured I’d shoot for a 5.5g batch (so in case I lose some during transfer / trub elimination, or if I screw up and come up short, I still have 5g) NOTE: Calculating 0.3 quarts of water loss per lb of grain as well NOTE: Haven’t done a test batch of boiling in my kettle but I’m assuming 2g of evaporation per hour of boiling in my 15 gallon kettle. Knowing this I beefed up the grain profile by about an extra 20% / getting the expected ABV’s, IBU’s, and Color on Beersmith to match what the original recipes taken from hopville figured at 75% efficiency.Īlso note the BIAB requires that you start with all water (no sparge water added - lets not turn this thread into a debate about sparging please) and I’m not 100% that I’m understanding some of the fields on Beersmith. We are doing BIAB (less efficient for the most part) and its our first brew so we are hoping for a 65% effeciency. ![]() I think most people are losing more wort to the pile of hop/protein sludge than they realize.What do you all think of our first recipe calculations? ![]() Hopefully Beersmith let's you adjust that per ounce of pellet or leaf hops or something like that? If you find this to be a hard thing to measure (and it is, kind of), you can measure all the other things and back into this number to fit the result. you'll have to measure that in a real batch. Or better yet, use software or a spreadsheet that uses sensible parameters. You can then adjust Beersmith's percentage boiloff parameter to match the volume you measured. Do some math and see how that compares to the percentage beersmith is assuming. Then multipy by 4 to get a volume loss per hour. Measure what you're left with and subtract from 2 gallons. To roughly estimate, boil 2 gallons of water (at your normal vigor) for 15 minutes. Beersmith uses a percentage per hour? That's silly. Measure whatever ends up in your receiving vessel and subtract from 2 gallons. put two gallons of water in your empty tun, then drain by your normal method. ![]() Grain Absorption.you need to make a wort to measure this, but 0.9 gallons sound right on for 7.5 lbs of grain Click to expand.You can measure every loss, in some cases without even making a wort. ![]()
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